The film chronicles China River Project’s grassroots campaign that in 2007 successfully stopped a plan to dam rivers in Yunnan Province for hydroelectric power that would have displaced 100,000 people. In contrast to the positive contributions of a small and self-motivated individuals and groups to protect the environment and natural resources against industrialization, we also see archival footage not previously seen outside of China that shows Mao Zedong’s mobilization of fervent masses to work on massive and destructive projects that harnessed and conformed nature to human interests and needs. People can make a difference.